#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <unistd.h>

#define MAX_LEN 256
#define URL_PREFIX "https://instagram.com/"
#define URL_SUFFIX "/?__a=1"
#define IRC_SERVER "irc.freenode.net"
#define IRC_PORT 6667

void getProfilePicture(char *username) {
    char url[MAX_LEN];
    sprintf(url, "%s%s%s", URL_PREFIX, username, URL_SUFFIX);
    
    // Use curl library to send a GET request to the URL and retrieve the profile picture information
    // The details of using curl library to send a GET request is beyond the scope of this example
    // Please refer to the curl library documentation for more information on how to use it
    
    // Once you have retrieved the profile picture information, you can parse it and extract the profile picture URL
    // Then you can use the URL to display the profile picture in your IRC bot
}

void connectToIRCServer(char *server, int port) {
    int sock = socket(AF_INET, SOCK_STREAM, 0);
    if (sock == -1) {
        perror("Could not create socket");
        exit(1);
    }
    
    struct sockaddr_in server_address;
    memset(&server_address, 0, sizeof(server_address));
    server_address.sin_addr.s_addr = inet_addr(server);
    server_address.sin_family = AF_INET;
    server_address.sin_port = htons(port);
    
    if (connect(sock, (struct sockaddr *) &server_address, sizeof(server_address)) < 0) {
        perror("Could not connect to server");
        exit(1);
    }
    
    // Once you are connected to the IRC server, you can start listening for messages
    while (1) {
        char message[MAX_LEN];
        // Read message from the IRC server
        // Handle the message as appropriate, for example by responding to a command to retrieve an Instagram profile picture
    }
    
    close(sock);
}

int main(int argc, char *argv[]) {
    connectToIRCServer(IRC_SERVER, IRC_PORT);
    return 0;
}